Add defines for mat2 and mat4 in app

App/AppLib/include/AppLib/CowPtr.hh

@@ -44,4 +44,4 @@ private:
         }
     }
 };
-}
+} // namespace Core

App/AppLib/include/AppLib/Math.hh

@@ -22,7 +22,7 @@ namespace Core
         Vector2& operator-=(Vector2 const& other);
         Vector2& operator*=(Vector2 const& other);
         Vector2& operator/=(Vector2 const& other);
-
+        
         bool operator==(Vector2 const& other);
         bool operator!=(Vector2 const& other);
 
@@ -56,4 +56,14 @@ namespace Core
         Vector3 operator*(float const& scalar);
     };
 
-} // namespace Core
+    class Matrix2x2
+    {
+        //TODO (Eero): Implement
+    };
+
+    class Matrix4x4
+    {
+        //TODO (Eero): Implement
+    };
+
+} // namespace Core

App/Tests/MathTest.cpp

@@ -20,7 +20,8 @@ TEST(Math, Vector2_Add)
     ASSERT_FLOAT_EQ(result.y, -0.5);
 }
 
-
+//TODO (Eero): Add tests for Vector2
+//TODO (Eero): Add tests for Vector3
 int main(int argc, char** argv)
 {
     ::testing::InitGoogleTest(&argc, argv);